Supporting Technical Assessments

GHD | Oceana Gold New Zealand Ltd. | 12552081 | Waihi North Project F-5 TSF2 153.6 695,543 159.8 2,711,729 153.7 721,205 159.9 2,749,826 153.8 746,996 160 2,787,980 153.9 772,919 160.1 2,826,191 154 798,985 160.2 2,864,461 154.1 825,204 160.3 2,902,787 154.2 851,575 160.4 2,941,166 154.3 878,090 160.5 2,979,594 154.4 904,749 160.6 3,018,070 154.5 931,549 160.7 3,056,593 Table 5 TSF3 Height Storage Table TSF3 Column 1 Column 2 Elevation (mRL) Volume (m3) Elevation (mRL) Volume (m3) 113 0 145.5 4,133,503 114 4.6 146 4,269,189 114.5 515 146.5 4,407,056 115 1,918 147 4,546,894 115.5 5,180 147.5 4,688,605 116 10,176 148 4,832,049 116.5 17,145 148.5 4,977,191 117 27,020 149 5,124,124 117.5 40,406 149.5 5,273,011 118 56,923 150 5,423,687 118.5 76,781 150.5 5,576,138 119 99,564 151 5,730,300 119.5 125,700 151.5 5,886,353 120 155,066 152 6,044,157 120.5 187,431 152.5 6,203,773 121 222,081 153 6,365,212 121.5 258,997 153.5 6,528,382 122 298,152 154 6,693,189 122.5 339,432 154.5 6,859,619 123 382,843 155 7,027,642 123.5 428,195 155.5 7,197,352 124 475,313 156 7,368,560 124.5 524,038 156.5 7,541,260 125 574,285 157 7,715,431 125.5 626,029 157.5 7,891,070 126 679,238 158 8,068,190

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